10 research outputs found

    A review of cuttlefish basket trap fishery

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    Abstract While cuttlefish basket trap fishery is a traditional fishing activity with a long history, there has never been an article which comprehensively assesses this type of fishery. The present review compiles existing knowledge on cuttlefish trap fishery and the findings of interviews conducted with fishermen by the authors. It mainly covers such issues as the history of cuttlefish trap fishery, relationship between traps and the catch, structure of traps, characteristics of fishing grounds and trap operating methods. In addition, the spawning habits of cuttlefish, which are closely related to trap fishery, are briefly described and the credibility of various theories on the catching process especially the motivation of cuttlefish to enter a trap is examined. The review concludes that because of the virtual absence of research on cuttlefish trap fishery, behavioral research is extremely necessary to establish fishery oriented resource management

    Entry of Immature Cuttlefish <i>Sepia esculenta</i> into Basket Traps

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    Successful artificial reefs depend on getting the context right due to complex socio-bio-economic interactions

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    International audienceArtificial reefs (ARs) are one of the most popular means of supporting marine ecosystem conservation and coastal fisheries, particularly in developing countries. However, ARs generate complex socio-bio-economic interactions that require careful evaluation. This is particularly the case for ARs outside no-take zones, where fish might be subject to enhanced exploitation due to easier catchability. Here, we conducted an interdisciplinary study on how ARs impact fish and fishing yields, combining mathematical and sociological approaches. Both approaches converge to confirm that fishery yields decline when ARs are exploited as if they were open access areas. This situation typically occurs in areas with weak governance and/or high levels of illegal fishing activity, both of which are common in many developing countries. To avoid these adverse effects and their associated ecological consequences, we recommend prioritizing the onset of a long-term surveillance system against illegal fishing activities, and adapting design and location of the ARs based on both and local and academic knowledge, before the deployment of ARs
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